Found something that can you can add to this list:
Ayreon | Day Sixteen: Loser
Ian Anderson | The Little Flower Girl (Not metal, but if we have Jethro Tull on Metal Storm, why not Ian?)
Ayreon | The First Man On Earth
Ayreon | Day Eleven: Love (this song IS about dancing, lol)
Killing Joke | The Death & Resurrection Show

----
Hello?
Is there anybody in there?
Just nod if you can hear me.
Is there anyone at home?

Found something that can you can add to this list:
Ayreon | Day Sixteen: Loser
Ian Anderson | The Little Flower Girl (Not metal, but if we have Jethro Tull on Metal Storm, why not Ian?)
Ayreon | The First Man On Earth
Ayreon | Day Eleven: Love (this song IS about dancing, lol)
Killing Joke | The Death & Resurrection Show